Hi !
i'm using open(HANDLE,"cmd |") (with a while(<HANDLE>) {...}) to read and parse what the command "cmd" write to its standard output (simple and logic).
My problem is that the commands writes really few datas to STDOUT, and the open (or the pipe ? or the way the "while(<HANDLE>)" is handled by perl ?) is buffered, so i sometimes have to wait about 1 or 2 minutes to have my perl program getting the datas...
Is there any simple way to get that stuff being unbuffered (or to flush the buffer, or any other magic thing) ?
if there's no easy way, i can still rewrite it "C fashion", with fork and exec, but i'm still not sure if the stdout will be automattically buffered or not...
help meeeee !!!
-
Are you posting in the right place? Check out Where do I post X? to know for sure.
-
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
<u> <ul>
-
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
-
Want more info? How to link
or How to display code and escape characters
are good places to start.
|